ag·gres·sive adj \ə-ˈgres-iv\
: tending toward or exhibiting aggression <aggressive behavior>
: growing, developing, or spreading rapidly <aggressive bone tumors>
: more severe, intensive, or comprehensive than usual especially in dosage or extent <aggressive chemotherapy> <aggressive surgical intervention>—compare conservative
—ag·gres·siv·i·ty \ˌag-ˌre-ˈsiv-ət-ē\ noun, plural ag·gres·siv·i·ties
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